11111012100112 has 80 divisors (see below), whose sum is σ = 22029786253440. Its totient is φ = 5427491844096.

The previous prime is 11111012100107. The next prime is 11111012100121. The reversal of 11111012100112 is 21100121011111.

It is a junction number, because it is equal to n+sod(n) for n = 11111012100092 and 11111012100101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158279773 + ... + 158349955.

It is an arithmetic number, because the mean of its divisors is an integer number (275372328168).

Almost surely, 2^{11111012100112} is an apocalyptic number.

It is an amenable number.

11111012100112 is a deficient number, since it is larger than the sum of its proper divisors (10918774153328).

11111012100112 is a wasteful number, since it uses less digits than its factorization.

11111012100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71600 (or 71594 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11111012100112 its reverse (21100121011111), we get a palindrome (32211133111223).

The spelling of 11111012100112 in words is "eleven trillion, one hundred eleven billion, twelve million, one hundred thousand, one hundred twelve".